#  datatype

# %% division
# x / y is always float value
print('4/2 =',4/2)
# x // y is always integral value(round)
print('4//2 =',4//2)

x = int()
print('x:',x)
x = int(11)
print('x:',x)
x = int(-11.3) # trunc
print('x:',x)

s = 'adada'


